Kathyrn is a hamlet in southern Alberta under the jurisdiction of Rocky View County.
Kathyrn is located approximately 32 km (20 mi) northeast of Downtown Calgary on Highway 566, 1.6 km (1.0 mi) west of Highway 9. A Canadian National Railway line runs northeast through Kathyrn towards Three Hills.
Neil McKay, a local farmer and large landowner, named this hamlet after his daughter. He had offered some of his land to the Grand Trunk Pacific Railway Company in 1911 for a townsite, on the provision that he be permitted to give it a name. When the station was finally built in 1913, the painter who was in charge of the sign misspelled Kathryn and the settlement became known as Kathyrn. The post office opened January 1, 1919.
Rocky View County's 2013 municipal census counted a population of 20 in Kathyrn, a 42.9% change from its 2006 municipal census population of 14.
Coordinates: 51°13′6″N 113°42′30″W / 51.21833°N 113.70833°W